A. that the port rudder answers very well. B. that the port rudder answers slow. C. that the port rudder answers quickly. D. that the port rudder is broken.
单项选择题Bow ()(推进器) full to starboard.
A.thrust B.stern C.engine D.speed
单项选择题Keep to the middle of the()(航道) !
A.buoy B.mark C.beacon D.channel
单项选择题An officer is always()(值班)on the bridge .
A. on watch B. taking watches C. standing watches D. keep watches
单项选择题What()(航速)?
A.speed B.line C.wake D.route
单项选择题()(尾) thrust half to part!
A.Bow B.Stern C.Tail D.After